## Use descriptive statistics to compute a measure of  performance John can use to analyze his delivery performance.

Part 1

Purpose of Assignment
The purpose of this assignment is to  develop students’ abilities to combine the knowledge of descriptive  statistics covered in Weeks 1 and 2 and one-sample hypothesis testing to  make managerial decisions. In this assignment, students will learn how  statistical analysis is used in predicting an election winner in the  first case. In the second case, students will conduct a hypothesis test  to decide whether or not a shipping plan will be profitable.
Assignment Steps
Resources: Microsoft Excel®, Case Study Scenarios, SpeedX Payment Times
Develop a 700- to 1,050-word statistical analysis based on the Case Study Scenarios and SpeedX Payment Times.
Case 1: Election Results

Use 0.10 as the significance level (α).
Conduct a one-sample hypothesis test to determine if the networks  should announce at 8:01 P.M. the Republican candidate George W. Bush  will win the state.

Case 2: SpeedX

Use 0.10 and the significance level (α).
Conduct a one-sample hypothesis test and determine if you can convince the CFO to conclude the plan will be profitable.

Part 2

Spicy Wings Case

Purpose of Assignment
The purpose of this assignment is to  develop students’ abilities to combine the knowledge of descriptive  statistics covered in Weeks 1 and 2 and one-sample hypothesis testing to  make managerial decisions. In this assignment, students will develop  the ability to use statistical analysis and verify whether or not a  claim is valid before advertising it.
Assignment Steps
Resources: Microsoft Excel®, Spicy Wings Case Study, Spicy Wings Data Set
Develop a 700-word statistical analysis.
Use descriptive statistics to compute a measure of  performance John can use to analyze his delivery performance. Find the  following for your measures:

Mean
Standard deviation
Sample size
Five-number summary on the total time

Conduct a formal hypothesis testing to help John decide whether to offer the delivery guarantee or not.
Estimate the probability of an order taking longer than 30 minutes.
Make a recommendation in a short narrative including the following:

Based on the sampled data, should John offer the guarantee?
What percent of the Saturday deliveries would result in a customer receiving a free order?
What recommendations might help John improve his Saturday delivery times?

Format your assignment consistent with APA format.